Lakeway Tap Water Quality Report
Lakeway's water has 4 contaminants above EPA MCLGs. We recommend using a certified water filter.
No single water system serves most of Lakeway (19,056 residents, Census 2024 estimate). Its large systems are LAKEWAY MUD (EPA counts 10,512 people served, about 55% of Lakeway's population); TRAVIS COUNTY WCID 17 (EPA counts 45,165 people served, more than Lakeway's population). EPA's counts may include people served outside Lakeway, so each share is at most that. Check which one bills you: each system's figures are shown separately below.
- LAKEWAY MUD: 236 contaminants tested, 4 above EPA MCLGs; health-based violations since 2020: 0
- TRAVIS COUNTY WCID 17: 235 contaminants tested, 3 above EPA MCLGs; health-based violations since 2020: 0
Other systems listed for Lakeway with results above guidelines: TRAVIS COUNTY WCID 17 (3 above guidelines), TRAVIS COUNTY MUD 12 (3 above guidelines), TRAVIS COUNTY MUD 13 (3 above guidelines), TRAVIS COUNTY MUD 11 (3 above guidelines)
Water systems
2 large systems
Residents (Census 2024)
19,056
Health-based violations since 2020
0
LAKEWAY MUD. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Oct 2025 ยท LAKEWAY MUD
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Lakeway Tap Water Safe to Drink?
We strongly recommend using a certified water filter to reduce exposure: Lakeway's water has 4 contaminants above EPA health-based guidelines. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Lakeway's water.
LAKEWAY MUD, Lakeway's water system, serves 10,512 people. 4 other systems are listed for Lakeway. Each system's results are listed under its own name, never added to LAKEWAY MUD's. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for LAKEWAY MUD is from Oct 2025.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Texas
Lakeway Water Service Areas

What these numbers actually mean for Lakeway, TX
We read Lakeway, TXโs published record and send you a short report โ which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 4 contaminants above EPA MCLGs and 7 contaminants with an EPA health goal detected in some samples (no level on file)
- 219 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Lakeway
Based on Lakeway's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.

Solventum Purification Inc.
3MRO401
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity

Solventum Purification Inc.
3MRO301
NSF Certified:
Daily Production
11.48 gpd
Highlights:
- NSF-58 certified reverse osmosis system
- 11.48 GPD production capacity
- Reduces total dissolved solids (TDS) for purer water
Removes 15 contaminants:
+10 more
Copper, Cryptosporidium, Fluoride, Lead, Radium 226, Radium 228, Radium, combined (-226 & -228), Selenium, Total Dissolved Solids, Turbidity

Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium

Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with โnormalโ faster faucet flow
Removes 1 contaminants:
Verify Your Water Quality with Independent Testing
With 4 contaminants above EPA MCLGs and 7 contaminants with an EPA health goal detected in some samples (no level on file), independent laboratory testing provides a second opinion and can track changes over time.

SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.

Tap Score
Haloacetic Acids (HAA9) Test
$275
Tests for disinfection byproducts formed when chlorine reacts with organic matter in water treatment.

Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 4 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Lakeway's water readings can explain
Utility-reported data for Lakeway includes sulfate and a chlorine-based disinfectant โ the readings behind these common tap water questions. We publish a city-level hardness figure for Lakeway, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Lakeway? Public-water results do not apply to private wells. See Travis County well water testing and USGS risk data โ modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Lakeway
Lakeway's tap water measures 9.0 grains per gallon (154.0 mg/L) โ hard on the USGS scale, the range where scale on fixtures and appliances is the usual complaint.
Water softener cost for 9.0 gpg water in Lakeway โ equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs โ equipment, installation labour and ten-year ownership, each separated out. For Texas as a whole, read water softener cost in Texas โ priced against the plumber wage published for the state.
Frequently Asked Questions About Lakeway Tap Water
Lakeway's water has 4 contaminants above EPA MCLGs. We strongly recommend using a certified water filter to reduce exposure to these contaminants. Check our filter recommendations below for NSF-certified options that can remove the specific contaminants found in Lakeway's water.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach LAKEWAY MUD. For a problem with your water now (discolored water, no water, low pressure, a leak), contact LAKEWAY MUD directly.
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